7/28/2023 0 Comments Pi zero w home assistantWhile it is possible to hook sensors directly up to the Pi if you go that method you'll soon find yourself running out of pins on the Pi. Then the Esp32 or the Arduino can then relay that information to the Home Assistant/Pi via MQTT. Doing that will require many environmental sensors and devices to control (pumps, lights, humidifiers, dehumidifiers, etc., etc., etc.) More often than not you'll find it easier to connect these sensors and relays up to something simpler than the Pi. The Pi is good at providing the web server and running home assistant for data collection but there is no magic box to plug the Pi into to completely monitor a hydroponic system. Although, likely your system will grow more complex from there. If you are going to use home assistant then any Pi can handle that.
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